/*
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* Copyright (c) 2015 South Silicon Valley Microelectronics Inc.
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* Copyright (c) 2015 iComm Corporation
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SSV_HCI_H_
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#define _SSV_HCI_H_
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#define SSV_HW_TXQ_NUM 5
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#define SSV_HW_TXQ_MAX_SIZE 64
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#define SSV_HW_TXQ_RESUME_THRES ((SSV_HW_TXQ_MAX_SIZE >> 2) *3)
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#define HCI_FLAGS_ENQUEUE_HEAD 0x00000001
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#define HCI_FLAGS_NO_FLOWCTRL 0x00000002
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struct ssv_hw_txq {
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u32 txq_no;
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struct sk_buff_head qhead;
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int max_qsize;
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int resum_thres;
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bool paused;
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u32 tx_pkt;
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u32 tx_flags;
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};
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struct ssv6xxx_hci_ops {
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int (*hci_start)(void);
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int (*hci_stop)(void);
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int (*hci_read_word)(u32 addr, u32 *regval);
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int (*hci_write_word)(u32 addr, u32 regval);
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int (*hci_load_fw)(u8 *firmware_name, u8 openfile);
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int (*hci_tx)(struct sk_buff *, int, u32);
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#if 0
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int (*hci_rx)(struct sk_buff *);
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#endif
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int (*hci_tx_pause)(u32 txq_mask);
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int (*hci_tx_resume)(u32 txq_mask);
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int (*hci_txq_flush)(u32 txq_mask);
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int (*hci_txq_flush_by_sta)(int aid);
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bool (*hci_txq_empty)(int txqid);
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int (*hci_pmu_wakeup)(void);
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int (*hci_send_cmd)(struct sk_buff *);
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#ifdef CONFIG_SSV6XXX_DEBUGFS
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bool (*hci_init_debugfs)(struct dentry *dev_deugfs_dir);
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void (*hci_deinit_debugfs)(void);
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#endif
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int (*hci_write_sram)(u32 addr, u8* data, u32 size);
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int (*hci_interface_reset)(void);
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};
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struct ssv6xxx_hci_info {
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struct device *dev;
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struct ssv6xxx_hwif_ops *if_ops;
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struct ssv6xxx_hci_ops *hci_ops;
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#if !defined(USE_THREAD_RX) || defined(USE_BATCH_RX)
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int (*hci_rx_cb)(struct sk_buff_head *, void *);
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#else
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int (*hci_rx_cb)(struct sk_buff *, void *);
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#endif
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void *rx_cb_args;
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void (*hci_tx_cb)(struct sk_buff_head *, void *);
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void *tx_cb_args;
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int (*hci_tx_flow_ctrl_cb)(void *, int, bool, int debug);
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void *tx_fctrl_cb_args;
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void (*hci_tx_buf_free_cb)(struct sk_buff *, void *);
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void *tx_buf_free_args;
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void (*hci_skb_update_cb)(struct sk_buff *, void *);
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void *skb_update_args;
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void (*hci_tx_q_empty_cb)(u32 txq_no, void *);
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void *tx_q_empty_args;
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};
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int ssv6xxx_hci_deregister(void);
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int ssv6xxx_hci_register(struct ssv6xxx_hci_info *);
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#endif
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